Debt and Hedging Instruments (Schedule of Interest Rate Swaps) (Details) - Interest Rate Swap - Designated as Hedging Instrument - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Total net asset derivatives designated as hedging instruments	$ (260)	$ 1,867
Recorded in other current assets
Derivative [Line Items]
Total net asset derivatives designated as hedging instruments	0	1,325
Recorded in other assets - net
Derivative [Line Items]
Total net asset derivatives designated as hedging instruments	0	542
Recorded in other current liabilities
Derivative [Line Items]
Total net asset derivatives designated as hedging instruments	$ (260)	$ 0